sub-gc
sb!kernel::internal-error
sb!kernel::control-stack-exhausted-error
- sb!kernel::undefined-alien-error
+ sb!kernel::undefined-alien-variable-error
+ sb!kernel::undefined-alien-function-error
+ sb!kernel::memory-fault-error
sb!di::handle-breakpoint
fdefinition-object
#!+sb-thread sb!thread::handle-thread-exit